NTSB investigations
1,421 cases where the defining event was Loss of engine power (partial).
Cases, newest first
Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1 WHERE c.\"mKey\" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '342') ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"
Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1 WHERE c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '342') ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB GAA21WA219Accident · Minor injuriesClass 5 · ForeignRobinson R22 · Limpopo Providance, South AfricaNTSB ERA21FA333Accident · 2 fatalClass 3 · FieldFinal reportPiper PA24 · Wadesboro, NCA partial loss of engine power during takeoff for reasons that could not be determined. Contributing was the pilot’s loss of airplane control, resulting in an aerodynamic stall and impact with trees and terrain.NTSB CEN21LA375Accident · No injuriesClass 3 · LimitedFinal reportHaley Highlander · Waller, TXA loss of engine power due to fuel exhaustion.NTSB GAA21WA263Accident · No injuriesClass 5 · ForeignPiper PA-30 · Saint-Honorat, FranceNTSB ENG21WA035Incident · No injuriesClass 5 · ForeignAirbus A320 · Budapest, HungaryNTSB ENG21WA036Incident · No injuriesClass 4 · ForeignRockwell 690 · Puerto La Cruz, VenezuelaNTSB GAA21WA199Accident · Serious injuriesClass 5 · ForeignWaco YMF5-C · Yvoy-le-Marron, FranceNTSB ANC21LA068Accident · No injuriesClass 3 · LimitedFinal reportStinson 108-1 · Sterling, AKInsufficient available power as a result of low compression in three engine cylinders. Contributing to the accident was the pilot’s decision to takeoff with a slight quartering tailwind.NTSB DCA21WA191Incident · No injuriesClass 5 · ForeignBAE RJ85 · Santa Cruz de la Sierra, BoliviaNTSB ERA21FA308Accident · Serious injuriesClass 3 · FieldFinal reportRyan Navion · Pensacola, FLA partial loss of engine power during the initial climb, which resulted in a forced, off-airport landing and impact with trees and a fence.NTSB ERA21LA304Accident · Minor injuriesClass 3 · LimitedFinal reportBoeing B75N1 · Lexington, KYA loss of engine power for undetermined reasons.NTSB GAA21WA185Accident · Minor injuriesClass 5 · ForeignCessna 206 · Sonana, ColombiaNTSB ERA21LA297Accident · No injuriesClass 3 · LimitedFinal reportCessna 150 · Arden, NCThe inadequate inspection of the throttle control cable assembly, which resulted in a partial loss of engine power during cruise flight.NTSB GAA21WA184Accident · No injuriesClass 5 · ForeignCessna 172 · Almoguera, SpainNTSB ANC21LA061Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Skwentna, AKA partial loss of engine power due to detonation/preignition damage to the No. 2 cylinder. The reason for the detonation/preignition damage could not be determined based on the available evidence.NTSB WPR21FA272Accident · 4 fatalClass 3 · FieldFinal reportMooney M20J · Dinsmore, CAThe airplane’s degraded engine performance due to wear to the intake cam lobes, which diminished the airplane’s takeoff and climb performance, resulting in a subsequent collision with trees.NTSB GAA21WA166Accident · Serious injuriesClass 5 · ForeignRobinson R44 · Mikolajki, PolandNTSB ERA21LA287Accident · No injuriesClass 3 · LimitedFinal reportPiper PA46-500TP · Manteo, NCThe improperly secured pneumatic compressor discharge air (P3) line coupling nut on the engine, which ultimately allowed the nut to back off resulting in a partial loss of engine power.NTSB DCA21FA174Accident · Serious injuriesClass 2 · FieldFinal reportBoeing 737-275C · Honolulu, HIThe flight crewmembers’ misidentification of the damaged engine (after leveling off the airplane and reducing thrust) and their use of only the damaged engine for thrust during the remainder of the flight, resulting in an unintentional descent and forced…NTSB WPR21LA264Accident · No injuriesClass 4 · LimitedFinal reportChristen Industries A-1 · Twin Falls, IDPartial loss of engine power during a low pass, due to carburetor icing and the pilot’s failure to use carburetor heat during the landing approach.NTSB CEN21LA294Accident · No injuriesClass 3 · LimitedFinal reportConsolidated Aeronautics Lake LA-4-200 · Mio, MIThe pilot’s failure to abort the takeoff roll when the engine did not produce full power.NTSB CEN21LA293Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Porter, TXThe pilot’s decision to continue the takeoff with degraded engine performance, which resulted in an inability to climb and a subsequent forced landing. The reason for the engine’s degraded performance could not be determined based on available information.NTSB GAA21WA159Accident · No injuriesClass 5 · ForeignBeech 36 · Neubrandenburg, GermanyNTSB ERA21FA263Accident · 1 fatalClass 3 · FieldFinal reportCirrus SR22 · Mercer, TNA partial loss of engine power due to foreign object debris contamination of the left turbocharger wastegate. Contributing to the accident was the pilot’s failure to divert to the nearest airport.NTSB CEN21LA273Accident · No injuriesClass 3 · LimitedFinal reportTony Dubeansky RV10 · Fort Worth, TXA partial loss of engine power due to a separated electronic ignition system connector. Contributing to the accident was the location of the ignition boxes, which provided limited access to the connectors for visual inspection.NTSB CEN21LA271Accident · Minor injuriesClass 3 · LimitedFinal reportCessna T210L · Buena Vista, COThe partial loss of engine power due to a vane failure in the engine-driven fuel pump.NTSB WPR21FA223Accident · 1 fatalClass 3 · FieldFinal reportVans RV6 · Porterville, CAA loss of engine power for reasons that could not be determined based on available information.NTSB GAA21WA134Incident · No injuriesClass 5 · ForeignCessna 180 · RPSU-Porec, CroatiaNTSB WPR21LA212Accident · No injuriesClass 3 · LimitedFinal reportMaule M-5-235C · Stanley, IDThe pilot’s failure to use carburetor heat in weather conditions conducive to carburetor icing, resulting in a partial loss of engine power and a forced landing during which the airplane struck an object and nosed over.NTSB CEN21LA241Accident · Serious injuriesClass 3 · LimitedFinal reportPipistrel Alpha Trainer · Fort Collins, COA partial loss of engine power due to the failure of the throttle control cable, which resulted in the loss of control of the dual carburetor system. The cable failure was a result of improper soldering at the throttle cable input terminal on the splitter…NTSB CEN21LA237Accident · Serious injuriesClass 3 · LimitedFinal reportGrumman G164 · Celina, OHA loss of engine power for undetermined reasons.NTSB WPR21LA208Accident · Minor injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Hollister, CAThe improper installation of a relief valve spring that was shorter than the standard spring length, which slowed the response of the propeller governor to change the pitch of the blades during climbout, resulting in a partial loss of power.NTSB WPR21LA205Accident · No injuriesClass 4 · LimitedFinal reportBoeing A75N1(PT17) · Ventura, CAThe partial loss of engine power, during cruise flight, due to the formation of carburetor ice, which resulted in a forced landing to an open field where the airplane nosed over.NTSB ENG21WA026IncidentClass 5 · ForeignBoeing 737 · Dubai, United Arab EmiratesNTSB CEN21LA213Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C23 · Merrill, WIThe loss of engine power due to tappet failure.NTSB ERA21LA213Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-161 · Okeechobee, FLA total loss of engine power for reasons that could not be determined based on available information.NTSB ERA21LA199Accident · Serious injuriesClass 4 · LimitedFinal reportMooney M20C · Warwick, NYA loose stand-off clamp which resulted in a throttle assembly malfunction, and the inability of the engine to produce full power during the attempted takeoff.NTSB ERA21LA196Accident · No injuriesClass 4 · LimitedFinal reportCessna 402C · Hyannis, MAThe flight instructor’s failure to confirm the position of the left engine’s auxiliary fuel boost pump switch during a simulated engine out procedure, which resulted in an excess amount of fuel in the engine and subsequent partial loss of power during a…NTSB WPR21FA175Accident · 2 fatalClass 3 · FieldFinal reportSwearingen SA226-T(B) · Winslow, AZThe loss of engine power to the right engine for reasons that could not be determined. Contributing to the accident was the pilot’s failure to maintain control of the airplane.NTSB WPR21LA172Accident · No injuriesClass 4 · LimitedFinal reportMichael J Robbins Searey · Friday Harbor, WAPartial loss of engine power due to the detachment of the throttle cable from the carburetor arm, as a result of the pilot’s inadequate maintenance which resulted in an off-airport landing and impact with vegetation.NTSB WPR21LA171Accident · Minor injuriesClass 3 · LimitedFinal reportConsolidated Aeronautics Lake LA-4-200 · Twentynine Palms, CAA partial loss of engine power due to inadequate ignition from cracked spark plugs and a failed magneto.NTSB WPR21LA164Accident · No injuriesClass 3 · LimitedFinal reportCessna 208B · Fairbanks, AKA partial loss of engine power for reasons that could not be determined based on available evidence.NTSB CEN21LA176Accident · No injuriesClass 3 · LimitedFinal reportBeech B35 · Pearland, TXThe partial loss of engine power due to a crack in the No. 1 cylinder for unknown reasons.NTSB CEN21LA175Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Augusta, KSInadequate maintenance at the time the carburetor was replaced, which resulted in the improperly installed throttle cable and a partial loss of engine power. Contributing to the accident was an inadequate annual inspection that failed to detect the improper…NTSB WPR21LA151Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Yacolt, WAA partial loss of power caused by carbon build up in the cylinders, which prevented the exhaust valves from seating properly. Contributing to the accident was flying in moderate icing conditions which resulted in reduced aircraft performance and vibrations.NTSB GAA21WA036Incident · No injuriesClass 4 · ForeignM7 Aerospace SA-227 · Chihuahua, MexicoNTSB ENG21WA015IncidentClass 5 · ForeignBoeing 747 · Maastricht, Netherlands, NetherlandsNTSB WPR21LA107Accident · Serious injuriesClass 3 · LimitedFinal reportHughes OH-6A · Horseshoe Bend, IDA partial loss of engine power due to a leak in the fuel cell outlet valve.NTSB GAA21WA039AccidentClass 5 · ForeignRobinson R22 · Bandelierkop, South AfricaNTSB WPR21LA098Accident · Minor injuriesClass 3 · LimitedFinal reportCessna T182T · Crescent City, CAThe partial loss of engine power due to the failure of both magneto capacitors.